詞語：pregrouting
pregrouting的解釋
pregroutingn. 預灌漿
pregrouting的意思
pregrouting 預灌漿;
pregrouting的參考例句
1.The application of repairing soft rock-tunnel by pregrouting is introduced. 介紹了注漿技術在軟巖巷道修復施工中的應用。
2.The ground pregrouting and pipe-roof protection method have been adopted to treat the soft wall rocks of shallow depth near the portal of Wulong tunnel in Yuhuai railway. 採用地表預注漿和管棚超前預支護技術，對渝懷鐵路武隆隧道進口段的淺埋、軟弱圍巖進行處理。